Bluets

Houstonia caerulea

  • Bluets
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  • Bluets
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  • Bluets
  • Flower name
    Bluets
  • Scientific name
    Houstonia caerulea
  • Aliasフーストニア・カエルレア, フーストニア, ヒナソウ, Houstonia caerulea, Bluets, Azure bluet, 常盤薺
  • Place of originNorth America
  • Place of floweringGarden
  • Flowering seasonApril, May, June

What is Bluets

Bluets , scientific name:Houstonia caerulea , is native to North America,and is a small evergreen perennial of the genus Houstonia ,of the department Rubiaceae. Has runners underneath a mat spread on the ground. Many give the florets with white or pale blue flowers in early summer, from spring upwards. Flowers bloom only at the tip of the flower. Florets are 4 valve looks like a flower, but the sake vessel Corolla 4 is a deep cleft. Flower is yellow. In the shape of flower names China sow and star wants a feeding bird chicks name added. Is part of flower names with capsella Bursa-pastoris, Cruciferae, not plants of Rubiaceae. Also, tokiwanazuna is also known as Iberia's, is hard to understand.

General name: tokiwanazuna (Tokiwa drink), scientific name:Houstonia caerulea, also known as:Bluets, azure bluet, Tokiwanazuna, Houstonia, Houstonia caerulea, Origin: North America, the environment of wetland, living type: perennials, tree height: 5-15 cm, leaf: fall lanceolate, leaf length:0.5~1cm, inflorescences form: solitary, petal color: white, blue, floral centerpiece: yellow, flower diameter:1~1.5cm, squeezing: sake vessel shaped with Tip 4 deep lobed, flowering period: April-June


  • Order
    Gentianales
  • Family
    Rubiaceae
  • Genus
    Houstonia
  • Species
    H. caerulea
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Monopetal inflorescence
  • Petal shape
    High cup-shaped
  • Leaf type
    Inverted lanceolate
  • Edge of the leaf
    All edges
  • Life typeEvergreen perennial
  • Flower colorsPurple Blue
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height5.0 ~ 15.0 cm
  • Diameter of flower1.0 ~ 1.5 cm

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